Features 1. Easy to install, without the need for external power supply and physical drives. 2. Suitable for computers or laptops with USB ports. 3. USB 2.0 to RS232 male serial cable adapter cable. USB2.0 specification, downward support for USB1.0 or 1.1 specification, support for full speed transmission mode. 4. Detail Design: Ergonomic plug-in design, classic design, creating a delicate 9-pin serial port cable for you. 5. It has strong compatibility and meets the requirements of connecting various interface devices for laptops and desktops. Devices such as MODEM or ISDN terminal adapters, digital cameras, barcode scanners, etc. Specification Material: Plastics Color: Blue Size: 5 x 5 x 3 cm Weight: 60 g Package Include: 1x USB 2.0 To RS232 Male Serial Cable Adapter Cable